Chess Puzzle #I5me0 — Advanced, White to move, middlegame

Position

White: king e4; knight d3; pawns e5/f5/g5/h5. Black: king a2; bishop b6; pawns a3/e6/f7/g7/h6. Black is ahead by 1 point of material. White to move.

Solution (5 moves)

1. Opponent setup: hxg5 — pawn h6→g5, captures pawn. Now White to move.
2. Best move: f6 — pawn f5→f6. Opponent replies gxf6 (pawn g7→f6, captures pawn).
3. Best move: h6 — pawn h5→h6. Opponent replies f5+ (pawn f6→f5, gives check).
4. Best move: Kf3 — king e4→f3. Opponent replies Kb1 (king a2→b1).
5. Best move: h7 — pawn h6→h7. Opponent replies a2 (pawn a3→a2).
6. Best move: h8=Q — pawn h7→h8, promotes to queen.

Tactical themes

advanced pawn, endgame, equality, promotion, very long. The key move is f6.

Position data

FEN: 8/5pp1/1b2p2p/4PPPP/4K3/p2N4/k7/8 b - - 0 46

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